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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Safety Connect System - Diagnostic Codes & Symptom Tests >> Safety Connect System >> DTC B15C4-64: Airbag Signal Signal Plausibility Failure [10/2020 - 10/2022] >> Description

DTC B15C4-64: Airbag Signal Signal Plausibility Failure [10/2020 - 10/2022]: Description

If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag ECU assembly as a result of the DCM (telematics transceiver) self check, this DTC will be set.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C4-64 Airbag Signal Signal Plausibility Failure DCM (telematics transceiver) detects an error in signals from airbag ECU assembly when engine switch is on (IG).
  • Airbag system
  • Harness or connector
  • Airbag ECU assembly
  • DCM (telematics transceiver)